Swivel control apparatus and method
AssigneeSumitomo(S.H.I.) Construction Machinery Co., Ltd.
InventorsTakashi Umeda, Kiminori Sano, Ryuji Shiratani
Life of this patent
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Abstract
A swivel control apparatus for swiveling a swivel body that supports an attachment including a boom, an arm, and an end attachment by a motor, wherein a swivel drive command to the motor is changed in conformation with a posture of the attachment.
Claims17
A swivel control apparatus for swiveling a swivel body that supports an attachment including a boom, an arm, and an end attachment by a motor,
- wherein a swivel drive command to the motor is changed in response to a change of a posture of the attachment including a swivel radius of the attachment,
- wherein as the swivel radius of the attachment becomes greater so that a swivel radius of the end attachment becomes greater, the swivel drive command to the motor is changed to be smaller,
- wherein the swivel drive command to the motor is changed to be smaller at least at positions of the end attachment of a leading end operation range, an upper part operation range, and a lower part operation range.
A swivel control apparatus for swiveling a swivel body that supports an attachment including a boom, an arm, and an end attachment by a motor,
- wherein a swivel drive command to the motor is changed in response to a change of a posture of the attachment,
- wherein the boom is supported by the swivel body, the arm is supported by the boom, and the end attachment is supported by the arm,
- wherein a position of the end attachment is used as the posture of the attachment,
- wherein in a case where the position of the end attachment is in any one of a leading end operation range, an upper part operation range, and a lower part operation range, the swivel drive command is changed to be smaller in comparison with a case where the position of the end attachment is not in the leading end operation range, the upper part operation range, or the lower part operation range.
A swivel control apparatus for swiveling a swivel body that supports an attachment including a boom, an arm, and an end attachment by a motor,
- wherein a swivel drive command to the motor is changed in response to a change of a posture of the attachment,
- wherein the boom is supported by the swivel body, the arm is supported by the boom, and the end attachment is supported by the arm,
- wherein a position of the end attachment is used as the posture of the attachment,
- wherein in a case where the position of the end attachment is in a proximity operation range, the swivel drive command is changed to be greater in comparison with a case where the position of the end attachment is not in the proximity operation range.
Dependencies are inferred from the claim text.